Fundamentos de televisión analógica y digital

Science fairs can be a timely assignment, but they can also be fun, rewarding, and sometimes help you to earn scholarships and prizes, too! The recipe for a great science fair or engineering project has just a couple of simple ingredients: a topic you care about and a question you can test. Learn every step of how to make your next science fair or engineering project a winner by following the detailed instructions, helpful hints, and design information in this title. So, don’t be scared, be prepared, and you are sure to have science fair success! This book allows students to understand how...

"This book will allow you to share with your child compositions full of strength and creativity side-byside (you color on one page and the little one on the opposite). Children and moms will enjoy coloring... together. Sharing games and leisure with children is highly recommended, and this is a perfect book for mothers who love to color and enjoy leisure time with their children."

Life on Earth depends on carbon. In fact, about 18.5 percent of a human body's mass is carbon. How carbon is taking in and given off through animals' breathing, the burning of fossil fuels, and more can be shown in the model known as the carbon cycle. Though this concept can be confusing, all readers have a chance to understand this concept through the text and simple diagrams in this book. Both struggling readers and those looking for review can find the most important components and vocabulary of the carbon cycle in low-level, accessible text.

El muchacho listucu que en los años cincuenta pastoreaba ovejas en las laderas de Peña Labra se convertiría en 2003 en presidente de Cantabria. Esta es su historia. Y nos la cuenta con ese estilo único que lo ha hecho popular y querido, con sentido del humor y naturalidad.Miguel Ángel Revilla nos dibuja una España de penuria y esfuerzo que ya no existe. Y relata con viveza cómo, con tesón, animado por el amor a la tierra que lo vio nacer, consiguió alcanzar las más altas responsabilidades. La semblanza que traza en estas páginas de personalidades como el rey Juan Carlos, José...